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EMPLOYEE STOCK PLANS - Narrative (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2017	Oct. 03, 2025	Sep. 27, 2024	Sep. 29, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost not yet recognized		$ 20.3
Compensation cost period for recognition (in years)		2 years 1 month 6 days
Expected dividend		0.00%
Options, grants in period, grant date fair value		$ 0.0	$ 0.1	$ 4.0
Options exercised, intrinsic value		0.0	0.0	0.1
Grant-date fair value of shares granted in the period		11.6	17.2	11.3
Shares outstanding, market value		$ 23.2	$ 20.0	$ 24.0
Employee Stock Purchase Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend		0.00%	0.00%	0.00%
Employee Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend		0.00%	0.00%	0.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period (in years)		7 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in months)		48 months
Award expiration period (in years)		10 years
2017 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)		800,000
2017 ESPP | Employee Stock Purchase Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price of common stock, percent	85.00%	85.00%
Purchase period	6 months
Number of additional shares authorized (in shares)					900,000
Number of shares authorized (in shares)		2,700,000
Stock plan offering period (in months)		6 months
2020 Omnibus Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)		4,500,000

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